90-46-0
占吨醇
+
57-13-6
尿素
→
~72%
74428-56-1
9H-xanthen-9-ylurea
590-28-3
氰酸钾
35598-63-1
9H-Xanthen-9-amine
~53%
3746-45-0
1,3-bis(9H-xanthen-9-yl)urea